Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Domain Bacteria Woese et al. 1990 [paraphyletic?]
             Phylum "Deltaproteobacteria" Kuever et al., 2006 [polyphyletic]
               Class Deltaproteobacteriaᵀ Kuever et al. 2006
                 Order Desulfuromonadales corrig. Kuever et al. 2006
                   Family Geobacteraceae Holmes et al. 2004
                     Genus Geobacterᵀ Lovley et al. 1995
                       Geobacter sulfurreducens Caccavo et al. 1995
                         Geobacter sulfurreducens subsp. sulfurreducensᵀ (Caccavo et al. 1995) Viulu et al. 2014